Subject: [PATCH 11/12] net/mlx5e: Only support tx/rx pause setting for port owner

From: Huy Nguyen <[email-masked]>
Date: Thu, 1 Aug 2019 11:10:19 -0500

[ Upstream commit 466df6eb4a9e813b3cfc674363316450c57a89c5 ]

Only support changing tx/rx pause frame setting if the net device
is the vport group manager.

Fixes: 3c2d18ef22df ("net/mlx5e: Support ethtool get/set_pauseparam")
Signed-off-by: Huy Nguyen <[email-masked]>
Reviewed-by: Parav Pandit <[email-masked]>
Signed-off-by: Saeed Mahameed <[email-masked]>
---
 drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
index 792bb8bc0cd3..2b9350f4c752 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
@@ -1083,6 +1083,9 @@ static int mlx5e_set_pauseparam(struct net_device *netdev,
 	struct mlx5_core_dev *mdev = priv->mdev;
 	int err;
 
+	if (!MLX5_CAP_GEN(mdev, vport_group_manager))
+		return -EOPNOTSUPP;
+
 	if (pauseparam->autoneg)
 		return -EINVAL;
 
-- 
2.20.1